Elixir’s interactive shell.
iex is Elixir’s interactive shell, which can be used to interactively run Elixir code from the command line.
Questions tagged [elixir-iex]
150 questions
2
votes
1 answer
Is There A Built In IEX Command To Invoke Formatting?
I checked h and h(IEx) and didn't come up with anything.
I am sure I can shell out to a command prompt and run "mix format" but I was wondering if I'm missing something. Is there any command analogous to recompile/0 or r/1 for iex to allow me to…
Onorio Catenacci
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2
votes
1 answer
Elixir phoenix debugging leads to interactive shell instead of pry
I've been trying to debug a phoenix application.
To do so I used the following instructions:
- To set a break point: require IEx; IEx.pry
- To start a debugging server: iex -S mix phx.server
The problem comes when starting the server, the above…
Nicolás Pascual
- 174
- 2
- 6
2
votes
4 answers
Using IEX API for real-time stock info (Yahoo Finance replacement)?
Just like the title says, I'm looking for a replacement source for stock info now that Yahoo has disabled the API many people have been using. The new source I've been looking at is found here: https://iextrading.com/developer/
My question is how to…
Joe
- 43
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- 5
2
votes
0 answers
How can i set a callback to run before an IEx session closes?
I want to setup some cleanup code to run before a user terminates a REPL
session started with iex -S mix.
I was expecting that running:
System.at_exit fn (_) -> File.write! "afile", "it works" end
inside an iex session to create a file named afile…
Dimitris Zorbas
- 5,187
- 3
- 27
- 33
2
votes
0 answers
Iex on alchemist, cannot type capital "T"
Just started using spacemacs with Alchemist. I am currently working on an Elixir file with the Filename of times.exs (from Programming Elixir book). The module is named Times.
As I use the Iex on Alchemist, I found out that I cannot type the capital…
John Medina
- 45
- 6
2
votes
1 answer
Why is the pid for my iex sessions always the same?
In between restarts of iex process, on my machine, why is its pid always the same?
iex> self
#PID<0.81.0>
iex>
^C
BREAK: (a)bort (c)ontinue (p)roc info (i)nfo (l)oaded
(v)ersion (k)ill (D)b-tables (d)istribution
Again
iex>…
Waseem
- 8,232
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2
votes
0 answers
In IEx why \t becomes spaces but not tab?
In IEx, puts \t prints up to 7 spaces.
iex(1)> IO.puts "1\t2"
1 2 # same as 1\s\s\s\s\s\s\s2
However if I put the same code in a file, and run it in bash, it gives me the real tab
$ elixir test.exs
1 2 # same as 1\t2
You can use…
sbs
- 4,102
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- 54
2
votes
1 answer
Windows - Elixir 'mix' is undefined within iex intepreter
I want to build an application using 'mix' command.
mix new appname --module MODULE
But on the iex interpreter it isn't recognized
I read online another alternative to running what I want is to pass it as a script argument:
$ bin/elixir bin/mix…
Jebathon
- 4,310
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2
votes
1 answer
Is there a Switch to enable thousand digit grouping (100_000) by default in Iex
Please is there a switch to enable thousand digit grouping (e.g 100_000) by default in Iex. It would be really helpful if is.
Otherwise how can we specify it in IO.puts?
Charles Okwuagwu
- 10,538
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- 157
1
vote
1 answer
Elixir install dependencies command `mix deps.get` is throwing error
Getting error when installing Elixir dependencies, all Mix command are throwing same exception
23:31:44.447 [notice] Application ssl exited: exited in: :ssl_app.start(:normal, [])
** (EXIT) an exception was raised:
** (ArgumentError)…
Bhanwarlal Chaudhary
- 402
- 6
- 20
1
vote
0 answers
Map.keys method in elixir is returning \n for a particular case while computing mode
Iam trying to compute the mode for a list in elixir but for one particular case when iam filtering out the keys from the resulting ranked_map, iam getting \n as output. Here is my code
defmodule Stats.CentralTendency.Mode do
def mode(nums)…
Rajineesh Reddy
- 21
- 2
1
vote
1 answer
Elixir list is ending in periods
I am trying to return a list in Elixir that has a length of 52 but the list always ends up being returned with the last two elements being turned to periods.
I tested it in the iex in command prompt using:
list =…
Ryan Arjoon
- 13
- 2
1
vote
2 answers
Automatically print info including stacktrace for uncaught errors in Elixir
I am currently learning Elixir and setting up a toy REST service example using Plug. Here is the code that I wrote initially. It has a bug on the row that generates a random number. I was able to figure out the issue. However, when the error occurs…
oneself
- 38,641
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1
vote
4 answers
What is the javascript array.map equivalent in Elixir?
I am new to elixir I know how to solve the issue in JavaScript, but i am having a hard time converting it to elixir solution.
I am trying to take a list in and output the words the occur more than once
const str = "This is the state of education? is…
ONEPOINTONE
- 27
- 5
1
vote
0 answers
Invoke Expression while using iex in Elixir
I am just beginning with elixir. I created a project using "mix" and wrote the below code.
defmodule HelloWorld do
def hello_world do
IO.puts("Hello World!")
end
end
#calling the function hello_world
HelloWorld.hello_world()
After that I…
Surbhi Rathi
- 9
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